7155005516 has 6 divisors (see below), whose sum is σ = 12521259660. Its totient is φ = 3577502756.

The previous prime is 7155005497. The next prime is 7155005521. The reversal of 7155005516 is 6155005517.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 894375686 + ... + 894375693.

It is an arithmetic number, because the mean of its divisors is an integer number (2086876610).

Almost surely, 2^7155005516 is an apocalyptic number.

It is an amenable number.

7155005516 is a deficient number, since it is larger than the sum of its proper divisors (5366254144).

7155005516 is a wasteful number, since it uses less digits than its factorization.

7155005516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788751383 (or 1788751381 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 35.

The square root of 7155005516 is about 84587.2656846171. The cubic root of 7155005516 is about 1926.9479817488.

Subtracting from 7155005516 its reverse (6155005517), we obtain a palindrome (999999999).

The spelling of 7155005516 in words is "seven billion, one hundred fifty-five million, five thousand, five hundred sixteen".